Add blog post: MongoDB Full-Text Search and Advanced Indexing

Comprehensive tutorial covering MongoDB text search capabilities including:
- Text indexing fundamentals with weighted field configurations
- Advanced search queries with fuzzy matching and phrase search
- Multi-language search support with language detection
- Geospatial text search combining location and text queries
- Search analytics and performance optimization strategies
- Real-time search suggestions and autocomplete implementation
- QueryLeaf integration for SQL-style text search patterns

Includes practical code examples, SQL comparison patterns, and best practices
for implementing enterprise-grade search functionality in MongoDB applications.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: rathboma